14156420407 has 2 divisors, whose sum is σ = 14156420408. Its totient is φ = 14156420406.

The previous prime is 14156420393. The next prime is 14156420449. The reversal of 14156420407 is 70402465141.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14156420407 - 2¹¹ = 14156418359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14156420477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7078210203 + 7078210204.

It is an arithmetic number, because the mean of its divisors is an integer number (7078210204).

Almost surely, 2^14156420407 is an apocalyptic number.

14156420407 is a deficient number, since it is larger than the sum of its proper divisors (1).

14156420407 is an equidigital number, since it uses as much as digits as its factorization.

14156420407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 34.

Adding to 14156420407 its reverse (70402465141), we get a palindrome (84558885548).

The spelling of 14156420407 in words is "fourteen billion, one hundred fifty-six million, four hundred twenty thousand, four hundred seven".